EPA's Study of Hydraulic Fracturing and Its Potential Impact on Drinking Water Resources

QAPP for Analysis of Environmental Hazards Relating to Hydrofracturing

This QAPP describes the technical details and associated quality assurance and quality control procedures for the subsurface migration modeling research project.

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QAPP for Modeling Analysis of the Hazards to Groundwater Related to Hydraulic Fracturing, Revised December 10, 2014 (PDF)(41 pp, 3 MB)